/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997-2006 Sam Lantinga

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Sam Lantinga

slouken@libsdl.org

*/

#include "SDL_config.h"

/* Utilities for getting and setting the X display mode */

#include <stdio.h>

#include "SDL_timer.h"

#include "SDL_events.h"

#include "../../events/SDL_events_c.h"

#include "SDL_x11video.h"

#include "SDL_x11wm_c.h"

#include "SDL_x11modes_c.h"

#include "SDL_x11image_c.h"

/*#define X11MODES_DEBUG*/

#define MAX(a, b) (a > b ? a : b)

#if SDL_VIDEO_DRIVER_X11_VIDMODE

int

vidmode_refreshrate(SDL_NAME(XF86VidModeModeInfo) * mode)

{

return (mode->htotal

&& mode->vtotal) ? (1000 * mode->dotclock / (mode->htotal *

mode->vtotal)) : 0;

}

#endif

#if SDL_VIDEO_DRIVER_X11_VIDMODE

Bool SDL_NAME(XF86VidModeGetModeInfo) (Display * dpy, int scr,

SDL_NAME(XF86VidModeModeInfo) * info)

{

SDL_NAME(XF86VidModeModeLine) * l =

(SDL_NAME(XF86VidModeModeLine) *) ((char *) info +

sizeof info->dotclock);

return SDL_NAME(XF86VidModeGetModeLine) (dpy, scr,

(int *) &info->dotclock, l);

}

#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */

#if SDL_VIDEO_DRIVER_X11_VIDMODE

static void

save_mode(_THIS)

{

SDL_memset(&saved_mode, 0, sizeof(saved_mode));

SDL_NAME(XF86VidModeGetModeInfo) (SDL_Display, SDL_Screen, &saved_mode);

SDL_NAME(XF86VidModeGetViewPort) (SDL_Display, SDL_Screen, &saved_view.x,

&saved_view.y);

}

#endif

#if SDL_VIDEO_DRIVER_X11_VIDMODE

static void

restore_mode(_THIS)

{

SDL_NAME(XF86VidModeModeLine) mode;

int unused;

if (SDL_NAME(XF86VidModeGetModeLine)

(SDL_Display, SDL_Screen, &unused, &mode)) {

if ((saved_mode.hdisplay != mode.hdisplay) ||

(saved_mode.vdisplay != mode.vdisplay)) {

SDL_NAME(XF86VidModeSwitchToMode) (SDL_Display, SDL_Screen,

&saved_mode);

}

}

if ((saved_view.x != 0) || (saved_view.y != 0)) {

SDL_NAME(XF86VidModeSetViewPort) (SDL_Display, SDL_Screen,

saved_view.x, saved_view.y);

}

}

#endif

static void get_real_resolution(_THIS, int *w, int *h);

static void

set_best_resolution(_THIS, int width, int height)

{

SDL_DisplayMode mode;

mode.format = 0;

mode.w = width;

mode.h = height;

mode.refresh_rate = 0;

SDL_GetClosestDisplayMode(&mode, &mode, SDL_FULLSCREEN);

#if SDL_VIDEO_DRIVER_X11_VIDMODE

if (use_vidmode) {

SDL_NAME(XF86VidModeModeLine) vmode;

SDL_NAME(XF86VidModeModeInfo) vinfo;

SDL_NAME(XF86VidModeModeInfo) ** modes;

int i, dotclock;

int nmodes;

int best = -1;

if (SDL_NAME(XF86VidModeGetModeLine)

(SDL_Display, SDL_Screen, &dotclock, &vmode)

&& SDL_NAME(XF86VidModeGetAllModeLines) (SDL_Display,

SDL_Screen, &nmodes,

&modes)) {

vinfo.dotclock = dotclock;

SDL_memcpy(&vinfo.hdisplay, &vmode, sizeof(vmode));

for (i = 0; i < nmodes; i++) {

if ((modes[i]->hdisplay == mode.w) &&

(modes[i]->vdisplay == mode.h) &&

(vidmode_refreshrate(modes[i]) == mode.refresh_rate)) {

best = i;

break;

}

}

if (best >= 0 &&

((modes[best]->hdisplay != vmode.hdisplay) ||

(modes[best]->vdisplay != vmode.vdisplay) ||

(vidmode_refreshrate(modes[best]) !=

vidmode_refreshrate(&vinfo)))) {

#ifdef X11MODES_DEBUG

printf("Best Mode %d: %d x %d @ %d\n", best,

modes[best]->hdisplay, modes[best]->vdisplay,

vidmode_refreshrate(modes[best]));

#endif

SDL_NAME(XF86VidModeSwitchToMode) (SDL_Display,

SDL_Screen, modes[best]);

}

XFree(modes);

}

}

#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */

/* XiG */

#if SDL_VIDEO_DRIVER_X11_XME

if (use_xme) {

int i;

int w, h;

/* check current mode so we can avoid uneccessary mode changes */

get_real_resolution(this, &w, &h);

if ((mode.w != w) || (mode.h != h)) {

#ifdef X11MODES_DEBUG

fprintf(stderr, "XME: set_best_resolution: "

"XiGMiscChangeResolution: %d %d\n", mode.w, mode.h);

#endif

XiGMiscChangeResolution(SDL_Display, SDL_Screen, 0, /* view */

mode.w, mode.h, 0);

XSync(SDL_Display, False);

}

}

#endif /* SDL_VIDEO_DRIVER_X11_XME */

#if SDL_VIDEO_DRIVER_X11_XRANDR

if (use_xrandr) {

int i, nsizes;

XRRScreenSize *sizes;

/* find the smallest resolution that is at least as big as the user requested */

sizes = XRRConfigSizes(screen_config, &nsizes);

for (i = (nsizes - 1); i >= 0; i--) {

if ((mode.w >= width) && (mode.h >= height)) {

break;

}

}

if (i >= 0) { /* found one, lets try it */

int w, h;

/* check current mode so we can avoid uneccessary mode changes */

get_real_resolution(this, &w, &h);

if ((mode.w != w) || (mode.h != h)) {

int size_id;

#ifdef X11MODES_DEBUG

fprintf(stderr, "XRANDR: set_best_resolution: "

"XXRSetScreenConfig: %d %d\n", mode.w, mode.h);

#endif

/* find the matching size entry index */

for (size_id = 0; size_id < nsizes; ++size_id) {

if ((sizes[size_id].width == mode.w) &&

(sizes[size_id].height == mode.h))

break;

}

XRRSetScreenConfig(SDL_Display, screen_config,

SDL_Root, size_id, saved_rotation,

CurrentTime);

}

}

}

#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */

}

static void

get_real_resolution(_THIS, int *w, int *h)

{

#if SDL_VIDEO_DRIVER_X11_XME

if (use_xme) {

int ractive;

XiGMiscResolutionInfo *modelist;

XiGMiscQueryResolutions(SDL_Display, SDL_Screen, 0, /* view */

&ractive, &modelist);

*w = modelist[ractive].width;

*h = modelist[ractive].height;

#ifdef X11MODES_DEBUG

fprintf(stderr, "XME: get_real_resolution: w = %d h = %d\n", *w, *h);

#endif

XFree(modelist);

return;

}

#endif /* SDL_VIDEO_DRIVER_X11_XME */

#if SDL_VIDEO_DRIVER_X11_VIDMODE

if (use_vidmode) {

SDL_NAME(XF86VidModeModeLine) mode;

int unused;

if (SDL_NAME(XF86VidModeGetModeLine)

(SDL_Display, SDL_Screen, &unused, &mode)) {

*w = mode.hdisplay;

*h = mode.vdisplay;

return;

}

}

#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */

#if SDL_VIDEO_DRIVER_X11_XRANDR

if (use_xrandr) {

int nsizes;

XRRScreenSize *sizes;

sizes = XRRConfigSizes(screen_config, &nsizes);

if (nsizes > 0) {

int cur_size;

Rotation cur_rotation;

cur_size =

XRRConfigCurrentConfiguration(screen_config, &cur_rotation);

if (cur_size >= 0 && cur_size < nsizes) {

*w = sizes[cur_size].width;

*h = sizes[cur_size].height;

}

#ifdef X11MODES_DEBUG

fprintf(stderr,

"XRANDR: get_real_resolution: w = %d h = %d\n", *w, *h);

#endif

return;

}

}

#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */

#if SDL_VIDEO_DRIVER_X11_XINERAMA

if (use_xinerama) {

*w = xinerama[this->current_display].width;

*h = xinerama[this->current_display].height;

return;

}

#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */

*w = DisplayWidth(SDL_Display, SDL_Screen);

*h = DisplayHeight(SDL_Display, SDL_Screen);

}

/* Called after mapping a window - waits until the window is mapped */

void

X11_WaitMapped(_THIS, Window win)

{

XEvent event;

do {

XMaskEvent(SDL_Display, StructureNotifyMask, &event);

}

while ((event.type != MapNotify) || (event.xmap.event != win));

}

/* Called after unmapping a window - waits until the window is unmapped */

void

X11_WaitUnmapped(_THIS, Window win)

{

XEvent event;

do {

XMaskEvent(SDL_Display, StructureNotifyMask, &event);

}

while ((event.type != UnmapNotify) || (event.xunmap.event != win));

}

static void

move_cursor_to(_THIS, int x, int y)

{

XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y);

}

static int

add_visual(_THIS, int depth, int class)

{

XVisualInfo vi;

if (XMatchVisualInfo(SDL_Display, SDL_Screen, depth, class, &vi)) {

int n = this->hidden->nvisuals;

this->hidden->visuals[n].depth = vi.depth;

this->hidden->visuals[n].visual = vi.visual;

this->hidden->nvisuals++;

}

return (this->hidden->nvisuals);

}

static int

add_visual_byid(_THIS, const char *visual_id)

{

XVisualInfo *vi, template;

int nvis;

if (visual_id) {

SDL_memset(&template, 0, (sizeof template));

template.visualid = SDL_strtol(visual_id, NULL, 0);

vi = XGetVisualInfo(SDL_Display, VisualIDMask, &template, &nvis);

if (vi) {

int n = this->hidden->nvisuals;

this->hidden->visuals[n].depth = vi->depth;

this->hidden->visuals[n].visual = vi->visual;

this->hidden->nvisuals++;

XFree(vi);

}

}

return (this->hidden->nvisuals);

}

int

X11_GetVisuals(_THIS)

{

/* It's interesting to note that if we allow 32 bit depths,

we get a visual with an alpha mask on composite servers.

static int depth_list[] = { 32, 24, 16, 15, 8 };

*/

static int depth_list[] = { 24, 16, 15, 8 };

int i, j, np;

int use_directcolor = 1;

XPixmapFormatValues *pf;

/* Search for the visuals in deepest-first order, so that the first

will be the richest one */

if (SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR")) {

use_directcolor = 0;

}

this->hidden->nvisuals = 0;

if (!add_visual_byid(this, SDL_getenv("SDL_VIDEO_X11_VISUALID"))) {

for (i = 0; i < SDL_arraysize(depth_list); ++i) {

if (depth_list[i] > 8) {

if (use_directcolor) {

add_visual(this, depth_list[i], DirectColor);

}

add_visual(this, depth_list[i], TrueColor);

} else {

add_visual(this, depth_list[i], PseudoColor);

add_visual(this, depth_list[i], StaticColor);

}

}

}

if (this->hidden->nvisuals == 0) {

SDL_SetError("Found no sufficiently capable X11 visuals");

return -1;

}

/* look up the pixel quantum for each depth */

pf = XListPixmapFormats(SDL_Display, &np);

for (i = 0; i < this->hidden->nvisuals; i++) {

int d = this->hidden->visuals[i].depth;

for (j = 0; j < np; j++)

if (pf[j].depth == d)

break;

this->hidden->visuals[i].bpp = j < np ? pf[j].bits_per_pixel : d;

}

XFree(pf);

return 0;

}

/* Global for the error handler */

int vm_event, vm_error = -1;

#if SDL_VIDEO_DRIVER_X11_XINERAMA

static int

CheckXinerama(_THIS, int *major, int *minor)

{

const char *env;

/* Default the extension not available */

*major = *minor = 0;

/* Allow environment override */

env = getenv("SDL_VIDEO_X11_XINERAMA");

if (env && !SDL_atoi(env)) {

return 0;

}

/* Query the extension version */

if (!SDL_NAME(XineramaQueryExtension) (SDL_Display, major, minor) ||

!SDL_NAME(XineramaIsActive) (SDL_Display)) {

return 0;

}

return 1;

}

#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */

#if SDL_VIDEO_DRIVER_X11_XRANDR

static int

CheckXRandR(_THIS, int *major, int *minor)

{

const char *env;

/* Default the extension not available */

*major = *minor = 0;

/* Allow environment override */

env = getenv("SDL_VIDEO_X11_XRANDR");

if (env && !SDL_atoi(env)) {

return 0;

}

/* This defaults off now, due to KDE window maximize problems */

if (!env) {

return 0;

}

if (!SDL_X11_HAVE_XRANDR) {

return 0;

}

/* Query the extension version */

if (!XRRQueryVersion(SDL_Display, major, minor)) {

return 0;

}

return 1;

}

#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */

#if SDL_VIDEO_DRIVER_X11_VIDMODE

static int

CheckVidMode(_THIS, int *major, int *minor)

{

const char *env;

/* Default the extension not available */

*major = *minor = 0;

/* Allow environment override */

env = getenv("SDL_VIDEO_X11_VIDMODE");

if (env && !SDL_atoi(env)) {

return 0;

}

/* Metro-X 4.3.0 and earlier has a broken implementation of

XF86VidModeGetAllModeLines() - it hangs the client.

*/

if (SDL_strcmp(ServerVendor(SDL_Display), "Metro Link Incorporated") == 0) {

FILE *metro_fp;

metro_fp = fopen("/usr/X11R6/lib/X11/Metro/.version", "r");

if (metro_fp != NULL) {

int major, minor, patch, version;

major = 0;

minor = 0;

patch = 0;

fscanf(metro_fp, "%d.%d.%d", &major, &minor, &patch);

fclose(metro_fp);

version = major * 100 + minor * 10 + patch;

if (version < 431) {

return 0;

}

}

}

/* Query the extension version */

vm_error = -1;

if (!SDL_NAME(XF86VidModeQueryExtension)

(SDL_Display, &vm_event, &vm_error)

|| !SDL_NAME(XF86VidModeQueryVersion) (SDL_Display, major, minor)) {

return 0;

}

return 1;

}

#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */

#if SDL_VIDEO_DRIVER_X11_XME

static int

CheckXME(_THIS, int *major, int *minor)

{

const char *env;

/* Default the extension not available */

*major = *minor = 0;

/* Allow environment override */

env = getenv("SDL_VIDEO_X11_VIDMODE");

if (env && !SDL_atoi(env)) {

return 0;

}

/* Query the extension version */

if (!XiGMiscQueryVersion(SDL_Display, major, minor)) {

return 0;

}

return 1;

}

#endif /* SDL_VIDEO_DRIVER_X11_XME */

int

X11_GetVideoModes(_THIS)

{

#if SDL_VIDEO_DRIVER_X11_XINERAMA

int xinerama_major, xinerama_minor;

#endif

#if SDL_VIDEO_DRIVER_X11_XRANDR

int xrandr_major, xrandr_minor;

int nsizes;

XRRScreenSize *sizes;

int nrates;

short *rates;

#endif

#if SDL_VIDEO_DRIVER_X11_VIDMODE

int vm_major, vm_minor;

int nmodes;

SDL_NAME(XF86VidModeModeInfo) ** modes;

#endif

#if SDL_VIDEO_DRIVER_X11_XME

int xme_major, xme_minor;

int ractive, nummodes;

XiGMiscResolutionInfo *modelist;

#endif

int i;

int screen_w;

int screen_h;

SDL_DisplayMode mode;

use_xinerama = 0;

use_xrandr = 0;

use_vidmode = 0;

use_xme = 0;

screen_w = DisplayWidth(SDL_Display, SDL_Screen);

screen_h = DisplayHeight(SDL_Display, SDL_Screen);

mode.format = this->displays[this->current_display].desktop_mode.format;

mode.w = screen_w;

mode.h = screen_h;

mode.refresh_rate = 0;

SDL_AddDisplayMode(0, &mode);

#if SDL_VIDEO_DRIVER_X11_XINERAMA

/* Query Xinerama extention */

if (CheckXinerama(this, &xinerama_major, &xinerama_minor)) {

int screens;

#ifdef X11MODES_DEBUG

printf("X11 detected Xinerama:\n");

#endif

xinerama = SDL_NAME(XineramaQueryScreens) (SDL_Display, &screens);

for (i = 0; i < screens; i++) {

#ifdef X11MODES_DEBUG

printf("xinerama %d: %dx%d+%d+%d\n",

xinerama[i].screen_number,

xinerama[i].width, xinerama[i].height,

xinerama[i].x_org, xinerama[i].y_org);

#endif

if (xinerama[i].screen_number != 0) {

SDL_AddVideoDisplay(&mode);

}

mode.w = xinerama[i].width;

mode.h = xinerama[i].height;

SDL_AddDisplayMode(xinerama[i].screen_number, &mode);

}

use_xinerama = 1;

}

#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */

#if SDL_VIDEO_DRIVER_X11_XRANDR

/* XRandR */

/* require at least XRandR v1.0 (arbitrary) */

if (CheckXRandR(this, &xrandr_major, &xrandr_minor)

&& (xrandr_major >= 1)) {

#ifdef X11MODES_DEBUG

fprintf(stderr, "XRANDR: XRRQueryVersion: V%d.%d\n",

xrandr_major, xrandr_minor);

#endif

/* save the screen configuration since we must reference it

each time we toggle modes.

*/

screen_config = XRRGetScreenInfo(SDL_Display, SDL_Root);

/* retrieve the list of resolution */

sizes = XRRConfigSizes(screen_config, &nsizes);

if (nsizes > 0) {

for (i = 0; i < nsizes; i++) {

mode.w = sizes[i].width;

mode.h = sizes[i].height;

rates = XRRConfigRates(screen_config, i, &nrates);

if (nrates == 0) {

mode.refresh_rate = 0;

SDL_AddDisplayMode(0, &mode);

} else {

int j;

for (j = 0; j < nrates; ++j) {

mode.refresh_rate = rates[j];

SDL_AddDisplayMode(0, &mode);

}

}

}

use_xrandr = xrandr_major * 100 + xrandr_minor;

saved_size_id =

XRRConfigCurrentConfiguration(screen_config, &saved_rotation);

}

}

#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */

#if SDL_VIDEO_DRIVER_X11_VIDMODE

/* XVidMode */

if (!use_xrandr &&

CheckVidMode(this, &vm_major, &vm_minor) &&

SDL_NAME(XF86VidModeGetAllModeLines) (SDL_Display, SDL_Screen,

&nmodes, &modes)) {

#ifdef X11MODES_DEBUG

printf("VidMode modes: (unsorted)\n");

for (i = 0; i < nmodes; ++i) {

printf("Mode %d: %d x %d @ %d\n", i,

modes[i]->hdisplay, modes[i]->vdisplay,

vidmode_refreshrate(modes[i]));

}

#endif

for (i = 0; i < nmodes; ++i) {

mode.w = modes[i]->hdisplay;

mode.h = modes[i]->vdisplay;

mode.refresh_rate = vidmode_refreshrate(modes[i]);

SDL_AddDisplayMode(0, &mode);

}

XFree(modes);

use_vidmode = vm_major * 100 + vm_minor;

save_mode(this);

}

#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */

#if SDL_VIDEO_DRIVER_X11_XME

/* XiG */

modelist = NULL;

/* first lets make sure we have the extension, and it's at least v2.0 */

if (CheckXME(this, &xme_major, &xme_minor) && xme_major >= 2 && (nummodes = XiGMiscQueryResolutions(SDL_Display, SDL_Screen, 0, /* view */

&ractive,

&modelist))

> 1) { /* then we actually have some */

/* We get the list already sorted in descending order.

We'll copy it in reverse order so SDL is happy */

#ifdef X11MODES_DEBUG

fprintf(stderr, "XME: nummodes = %d, active mode = %d\n",

nummodes, ractive);

#endif

mode.refresh_rate = 0;

for (i = 0; i < nummodes; ++i) {

#ifdef X11MODES_DEBUG

fprintf(stderr, "XME: mode = %4d, w = %4d, h = %4d\n",

i, modelist[i].width, modelist[i].height);

#endif

mode.w = modelist[i].width;

mode.h = modelist[i].height;

SDL_AddDisplayMode(0, &mode);

}

use_xme = xme_major * 100 + xme_minor;

saved_res = modelist[ractive]; /* save the current resolution */

}

if (modelist) {

XFree(modelist);

}

#endif /* SDL_VIDEO_DRIVER_X11_XME */

#ifdef X11MODES_DEBUG

if (use_xinerama) {

printf("Xinerama is enabled\n");

}

if (use_xrandr) {

printf("XRandR is enabled\n");

}

if (use_vidmode) {

printf("VidMode is enabled\n");

}

if (use_xme) {

printf("Xi Graphics XME fullscreen is enabled\n");

}

#endif /* X11MODES_DEBUG */

return 0;

}

void

X11_FreeVideoModes(_THIS)

{

#if SDL_VIDEO_DRIVER_X11_XRANDR

/* Free the Xrandr screen configuration */

if (screen_config) {

XRRFreeScreenConfigInfo(screen_config);

screen_config = NULL;

}

#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */

}

int

X11_ResizeFullScreen(_THIS)

{

int x = 0, y = 0;

int real_w, real_h;

int screen_w;

int screen_h;

screen_w = DisplayWidth(SDL_Display, SDL_Screen);

screen_h = DisplayHeight(SDL_Display, SDL_Screen);

#if SDL_VIDEO_DRIVER_X11_XINERAMA

if (use_xinerama &&

window_w <= xinerama[this->current_display].width &&

window_h <= xinerama[this->current_display].height) {

x = xinerama[this->current_display].x_org;

y = xinerama[this->current_display].y_org;

}

#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */

if (currently_fullscreen) {

/* Switch resolution and cover it with the FSwindow */

move_cursor_to(this, x, y);

set_best_resolution(this, window_w, window_h);

move_cursor_to(this, x, y);

get_real_resolution(this, &real_w, &real_h);

if (window_w > real_w) {

real_w = MAX(real_w, screen_w);

}

if (window_h > real_h) {

real_h = MAX(real_h, screen_h);

}

XMoveResizeWindow(SDL_Display, FSwindow, x, y, real_w, real_h);

move_cursor_to(this, real_w / 2, real_h / 2);

/* Center and reparent the drawing window */

x = (real_w - window_w) / 2;

y = (real_h - window_h) / 2;

XReparentWindow(SDL_Display, SDL_Window, FSwindow, x, y);

/* FIXME: move the mouse to the old relative location */

XSync(SDL_Display, True); /* Flush spurious mode change events */

}

return (1);

}

void

X11_QueueEnterFullScreen(_THIS)

{

switch_waiting = 0x01 | SDL_FULLSCREEN;

switch_time = SDL_GetTicks() + 1500;

#if 0 /* This causes a BadMatch error if the window is iconified (not needed) */

XSetInputFocus(SDL_Display, WMwindow, RevertToNone, CurrentTime);

#endif

}

int

X11_EnterFullScreen(_THIS)

{

int okay;

#if 0

Window tmpwin, *windows;

int i, nwindows;

#endif

int x = 0, y = 0;

int real_w, real_h;

int screen_w;

int screen_h;

okay = 1;

if (currently_fullscreen) {

return (okay);

}

/* Ungrab the input so that we can move the mouse around */

X11_GrabInputNoLock(this, SDL_GRAB_OFF);

#if SDL_VIDEO_DRIVER_X11_XINERAMA

if (use_xinerama &&

window_w <= xinerama[this->current_display].width &&

window_h <= xinerama[this->current_display].height) {

x = xinerama[this->current_display].x_org;

y = xinerama[this->current_display].y_org;

}

#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */

/* Map the fullscreen window to blank the screen */

screen_w = DisplayWidth(SDL_Display, SDL_Screen);

screen_h = DisplayHeight(SDL_Display, SDL_Screen);

get_real_resolution(this, &real_w, &real_h);

if (window_w > real_w) {

real_w = MAX(real_w, screen_w);

}

if (window_h > real_h) {

real_h = MAX(real_h, screen_h);

}

XMoveResizeWindow(SDL_Display, FSwindow, x, y, real_w, real_h);

XMapRaised(SDL_Display, FSwindow);

X11_WaitMapped(this, FSwindow);

#if 0 /* This seems to break WindowMaker in focus-follows-mouse mode */

/* Make sure we got to the top of the window stack */

if (XQueryTree(SDL_Display, SDL_Root, &tmpwin, &tmpwin,

&windows, &nwindows) && windows) {

/* If not, try to put us there - if fail... oh well */

if (windows[nwindows - 1] != FSwindow) {

tmpwin = windows[nwindows - 1];

for (i = 0; i < nwindows; ++i) {

if (windows[i] == FSwindow) {

SDL_memcpy(&windows[i], &windows[i + 1],

(nwindows - i - 1) * sizeof(windows[i]));

break;

}

}

windows[nwindows - 1] = FSwindow;

XRestackWindows(SDL_Display, windows, nwindows);

XSync(SDL_Display, False);

}

XFree(windows);

}

#else

XRaiseWindow(SDL_Display, FSwindow);

#endif

#if SDL_VIDEO_DRIVER_X11_VIDMODE

/* Save the current video mode */

if (use_vidmode) {

SDL_NAME(XF86VidModeLockModeSwitch) (SDL_Display, SDL_Screen, True);

}

#endif

currently_fullscreen = 1;

/* Set the new resolution */

okay = X11_ResizeFullScreen(this);

if (!okay) {

X11_LeaveFullScreen(this);

}

/* Set the colormap */

if (SDL_XColorMap) {

XInstallColormap(SDL_Display, SDL_XColorMap);

}

if (okay) {

X11_GrabInputNoLock(this,

SDL_CurrentWindow.

input_grab | SDL_GRAB_FULLSCREEN);

}

/* We may need to refresh the screen at this point (no backing store)

We also don't get an event, which is why we explicitly refresh. */

if (SDL_VideoSurface) {

if (SDL_VideoSurface->flags & SDL_INTERNALOPENGL) {

SDL_PrivateExpose();

} else {

X11_RefreshDisplay(this);

}

}

return (okay);

}

int

X11_LeaveFullScreen(_THIS)

{

if (currently_fullscreen) {

XReparentWindow(SDL_Display, SDL_Window, WMwindow, 0, 0);

#if SDL_VIDEO_DRIVER_X11_VIDMODE

if (use_vidmode) {

restore_mode(this);

SDL_NAME(XF86VidModeLockModeSwitch) (SDL_Display, SDL_Screen,

False);

}

#endif

#if SDL_VIDEO_DRIVER_X11_XME

if (use_xme) {

int rw, rh;

/* check current mode so we can avoid uneccessary mode changes */

get_real_resolution(this, &rw, &rh);

if (rw != saved_res.width || rh != saved_res.height) {

XiGMiscChangeResolution(SDL_Display, SDL_Screen, 0, /* view */

saved_res.width, saved_res.height, 0);

XSync(SDL_Display, False);

}

}

#endif

#if SDL_VIDEO_DRIVER_X11_XRANDR

if (use_xrandr) {

XRRSetScreenConfig(SDL_Display, screen_config, SDL_Root,

saved_size_id, saved_rotation, CurrentTime);

}

#endif

XUnmapWindow(SDL_Display, FSwindow);

X11_WaitUnmapped(this, FSwindow);

XSync(SDL_Display, True); /* Flush spurious mode change events */

currently_fullscreen = 0;

}

/* If we get popped out of fullscreen mode for some reason, input_grab

will still have the SDL_GRAB_FULLSCREEN flag set, since this is only

temporary. In this case, release the grab unless the input has been

explicitly grabbed.

*/

X11_GrabInputNoLock(this,

SDL_CurrentWindow.input_grab & ~SDL_GRAB_FULLSCREEN);

/* We may need to refresh the screen at this point (no backing store)

We also don't get an event, which is why we explicitly refresh. */

if (SDL_VideoSurface) {

if (SDL_VideoSurface->flags & SDL_INTERNALOPENGL) {

SDL_PrivateExpose();

} else {

X11_RefreshDisplay(this);

}

}

return (0);

}

Uint32

X11_VisualToFormat(const Visual * visual, int depth, int bpp)

{

Uint32 Rmask = visual->red_mask;

Uint32 Gmask = visual->green_mask;

Uint32 Bmask = visual->blue_mask;

Uint32 Amask;

if (depth == 32) {

Amask = (0xFFFFFFFF & ~(Rmask | Gmask | Bmask));

} else {

Amask = 0;

}

return (SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask));

}

/* vi: set ts=4 sw=4 expandtab: */